93 lines
4.0 KiB
Markdown
93 lines
4.0 KiB
Markdown
# Grassroots
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This web-based tool allows you to add your Ontario Vaccination Receipt as a pass into your Apple Wallet on iOS in a privacy-respecting way. It achieves this without sending your data to a server and instead only uses a hashed representation for the signing step.
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Here is a [demo](https://www.youtube.com/watch?v=AIrG5Qbjptg)
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# Quick start
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* Go to [https://grassroots.vaccine-ontario.ca](https://grassroots.vaccine-ontario.ca)
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* Click Ontario Health to download your vaccination receipt onto your iPhone (local storage)
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* Select File, Browse, your-vaccine-receipt.pdf
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* Add to the wallet
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### Debug the web app
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```sh
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yarn install
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yarn dev
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```
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### Run the Docker container
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```sh
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docker build . -t covidpass
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docker run -t -i -p 3000:3000 covidpass
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```
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# FAQ
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#### I do not want to trust a third party with my vaccination data, does this tool respect my privacy?
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Processing of your data happens entirely in your mobile browser and only a hashed representation is sent to the server for the signing step.
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#### How do I make sure that nobody can access my vaccination pass from the lock screen (iOS)?
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Navigate to the "TouchID & Code" or "FaceID & Code" or just "Code" section in the Settings and switch the toggle to off for Wallet in the section "Allow access from the lock screen". Also see [this official guide](https://support.apple.com/guide/iphone/control-access-information-lock-screen-iph9a2a69136/ios) from Apple.
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# Using your own Apple Developer Certificate (if you would like to fork this project and run it yourself)
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## Get your certificate
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* Sign into your [Apple Developer Account](https://developer.apple.com/account/)
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* Go to Certificates, Identifiers and Profiles
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* Register a new Pass Type Identifier under the Identifiers tab
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* Create a new Pass Type ID Certificate under the Certificates tab
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* Select your previously created Pass Type Identifier in the process
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* Move your new certificate to the My Certificates tab in the keychain
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* Export your certificate as a .p12 file
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* Install node.js and download the [passkit-keys](https://github.com/walletpass/pass-js/blob/master/bin/passkit-keys) script
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* Create a `keys` folder and put the .p12 file inside
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* Run ./passkit-keys `<path to your keys folder>`
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* You may have to type in the passphrase you defined during the export step
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## Run the API locally
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A description of how you can use your certificate locally with the API will be provided in the readme of the [CovidPass API](https://github.com/covidpass-org/CovidPassApiNet).
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To connect the web app to your local server, you have to set the `API_BASE_URL` environment variable accordingly.
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# Explanation of the process
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The whole process of generating the pass file happens locally in your browser. For the signing step, only a hashed representation of your data is sent to the server.
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First, the following steps happen locally in your browser:
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* Validating the digital signature on the receipt from Ontario Health to ensure it's authentic
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* Decoding your vaccination event data from the PDF file (e.g. date, type of vaccine, dose #, organization who administered it
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* Assembling a pkpass file out of your data
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* Generating a file containing hashes of the data stored in the pass file
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* Sending only the file containing the hashes to the server
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Second, the following steps happen on the server:
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* Receiving and checking the hashes which were generated locally
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* Signing the file containing the hashes
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* Sending the signature back
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Finally, the following steps happen locally in your browser:
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* Assembling the signed pass file out of the incomplete file generated locally and the signature
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* Saving the file on your device
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# Credits
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The idea for this web app originated from the [solution of an Austrian web developer](https://coronapass.fabianpimminger.com), which only works for Austrian certificates at the moment.
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The main codebase is forked from [covidpass](https://github.com/covidpass-org/covidpass) and added Ontario specifcs.
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# Contribute
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Contributions to this project is welcome. Feel free to leave your suggestions, issues or pull requests.
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